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Reset the unused RPN bits in a TLBLO to 0, as specified by the PPC401B3

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user's manual, page 8-40.

From Frank van der Linden <fvdl@wasabisystems.com>.
This commit is contained in:
thorpej 2001-11-26 23:24:20 +00:00
parent 2d89f9075b
commit 77fdde7f2c
1 changed files with 2 additions and 2 deletions
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4
sys/arch/powerpc/ibm4xx/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.6 2001/11/06 04:49:49 simonb Exp $ */
/* $NetBSD: pmap.c,v 1.7 2001/11/26 23:24:20 thorpej Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -1353,7 +1353,7 @@ ppc4xx_tlb_enter(int ctx, vaddr_t va, u_int pte)
th = (va & TLB_EPN_MASK) |
(((pte & TTE_SZ_MASK) >> TTE_SZ_SHIFT) << TLB_SIZE_SHFT) |
TLB_VALID;
tl = pte;
tl = pte & ~(TTE_SZ_MASK|TTE_ENDIAN);
s = splhigh();
idx = ppc4xx_tlb_find_victim();